| Item | Part No. | Part Name | Qty | Serial No. |
| 455-711 | CONTROL VALVE | 5001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1660-01A0 T0 Y1660-14A0. | ||||
| 451-289 | CASE SUB ASS'Y | 5001- | ||
| 1 | CASE,SPRING | 5001- | ||
| 2 | SEAT | 5001- | ||
| 3 | SEAT | 5001- | ||
| 4 | BALL | 5001- | ||
| 5 | SCREW | 5001- | ||
| 6 | 453-696 | O-RING | 5001- | |
| 7 | 453-601 | O-RING | 5001- | |
| 8 | 450-648 | PLUG | 5001- | |
| 9 | 452-348 | ELBOW | 5001- | |
| 10 | 453-687 | O-RING | 5001- |